Title :
A MMIC broadband active quadrature phase shifter for mobile communications
Author :
Mahfoudi, M. ; Alonso, José I.
Author_Institution :
ETSI Telecomunicacion, Univ. Politecnica de Madrid, Spain
Abstract :
The design and measured performance of a 90° phase shifter GaAs IC is presented. It is based on a second-order RC active all-pass network which has no losses. The phase shift and amplitude errors are 2.5° and 0.5 dB over more than two octave bandwidth (0.6-3.5 GHz)
Keywords :
III-V semiconductors; MMIC phase shifters; active networks; gallium arsenide; mobile communication; 0.6 to 3.5 GHz; 90° phase shifter; GaAs; MMIC; all-pass network; amplitude error; bandwidth; broadband active quadrature phase shifter; design; measured performance; mobile communications; phase shift; second-order RC active network; Circuit optimization; Circuit synthesis; Frequency conversion; Low pass filters; MMICs; Microwave filters; Microwave frequencies; Mobile communication; Phase shifters; Voltage;
Conference_Titel :
Electrotechnical Conference, 1994. Proceedings., 7th Mediterranean
Conference_Location :
Antalya
Print_ISBN :
0-7803-1772-6
DOI :
10.1109/MELCON.1994.381019
